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Reply to Shaffer and Baker

Published online by Cambridge University Press:  20 January 2017

Donald Chrisman
Donald Chrisman*
Affiliation:
Andover Foundation for Archaeological Research, Box 83, Andover, MA 01810
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Abstract

Accurate measurement of the number of epidermal ridges must be done directly from the artifacts, using a nearly flat surface or a very thin dental silicone mold pulled off and flattened. Measurements from enlarged pictures of 3-D rounded objects converted to 2-D are highly inaccurate and do not correct for the nearly 20 percent shrinkage factor.

La medida acertada del número de estrías epidérmicas debe tomarse directamente de artefactos, usando una superficie casi plana o un molde de silicón dental muyfino y aplanado. Las medidas tomadas de fotografías de objectos redondos 3-D convertidos a 2-D son altamente inexactas y no corrigen el factor de reducción de casi 20 por ciento.

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Comments
Information
American Antiquity , Volume 62 , Issue 3 , July 1997 , pp. 561
Copyright
Copyright © The Society for American Archaeology 1997

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